| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 556478000 |
Silicon to carbon bond formed
| 31 |
| 556470000 |
Forming group containing silicon and carbon bonded directly to the same oxygen (e.g., esters, etc.)
| 12 |
| 556472000 |
Elemental silicon, silicon-containing alloy or metal silicide reactant
| 11 |
| 556476000 |
Halogenation of silicon-containing compound | 5 |
| 20100168458 | PROCESS FOR CONVERTING SI-H COMPOUNDS TO SI-HALOGEN COMPOUNDS - Silicon compounds having Si—H groups are converted into silicon compounds having Si—X groups by reaction with HX in the gas phase in the presence of a quaternary ammonium or phosphonium halide catalyst or an ionic chloride of a heterocycle organically substituted on the heteroatom. | 07-01-2010 |
| 20100179341 | PROCESS FOR CONVERTING SI-H COMPOUNDS TO SI-HALOGEN COMPOUNDS - Silicon compounds containing Si—H groups are converted into silicon halides by reaction with hydrogen halide in the gas phase in the presence of a catalyst of gamma-alumina, which is also effective in dissociating hydrocarbons which may be present into lower boiling hydrocarbons. | 07-15-2010 |
| 20090036702 | PRODUCTION OF ORGANOSILANES IN THE PRESENCE OF IRIDIUM-CATALYSTS AND COCATALYSTS - Organosilanes are prepared efficiently by hydrosilylation of an alkene in the presence of iridium compounds as catalysts and an inorganic, metal organic, or organic oxidant as cocatalyst. side reactions and catalyst deactivation are thereby minimized. | 02-05-2009 |
| 20090259063 | SYSTEM AND PROCESS FOR CONTINUOUS INDUSTRIAL PREPARATION OF FLUOROALKYLCHLOROSILANE - The present invention relates to a system, to a reactor and to a process for continuous industrial performance of a reaction wherein an α,β-unsaturated fluorine-substituted olefin A is reacted with an HSi compound B in the presence of a catalyst C and optionally of further assistants, and the system is based at least on the combination of reactants ( | 10-15-2009 |
| 20120277458 | METHOD FOR PRODUCING DIFLUOROCYCLOPROPANE COMPOUND - Provided is a method for producing a difluorocyclopropane compound under milder reaction conditions and with high selectivity and high yield. The method for producing a difluorocyclopropane compound of the present invention is characterized by using sodium bromodifluoroacetate as a difluorocyclopropanation agent. With the disclosed method, a difluorocyclopropane compound can be produced under milder reaction conditions and with a higher conversion rate and a higher yield compared to conventional art. Further, by-products can be reduced significantly, thus allowing waste to be greatly reduced. Accordingly, the production method of the present invention is easy to implement industrially (can be employed on an industrial scale) and is thus extremely practical and useful. | 11-01-2012 |
| 556467000 |
Plural silicons in a reactant | 5 |
| 20130172593 | Synthesis of Organohalosilane Monomers From Conventionally Uncleavable Direct Process Residue - Disclosed herein is a catalytic process for the synthesis of organohalosilane monomers from tetraorganodihalodisilanes and other compounds that are not cleaved during the conventional hydrochlorination of Direct Process Residue. The process is characterized by the use of a catalyst containing (1) one or more heterocyclic amines and/or one or more heterocyclic ammonium halides, and (2) one or more quaternary Group 15 onium compounds. | 07-04-2013 |
| 20130172594 | Synthesis of Organohalosilane Monomers Via Enhanced Cleavage of Direct Process Residue - Discloses herein is a catalytic process for producing organohalosilane monomers from a high-boiling residue resulting from the Direct Reaction of an organohalide with silicon. The high-boiling residue contains more conventionally cleavable compounds than conventionally uncleavable compounds. The process includes heating the residue in the presence of a catalyst comprising (1) one or more heterocyclic amines and/or one or more heterocyclic ammonium halides, and (2) one or more quaternary Group 15 onium compounds. | 07-04-2013 |
| 20120130106 | IN-SITU ACTIVATION OF METAL COMPLEXES CONTAINING TERDENTATE NITROGEN LIGANDS USED AS HYDROSILYLATION CATALYSTS - Disclosed herein is a process for the hydrosilylation of a composition containing a silyl hydride and a compound containing at least one unsaturated group, the process comprising contacting a non-previous metal based complex as a catalyst precursor with an activator being a reducing agent shortly before, simultaneously or after contacting the complex with the composition, to cause the silyl hydride to react with the compound containing at least one unsaturated group to produce a hydrosilylation product. | 05-24-2012 |
| 20130197254 | HYDROSILICONE RESIN AND PREPARATION PROCESS THEREOF - The present invention relates to a liquid hydrosilicone resin and a preparation process thereof. The average composition of the liquid hydrosilicone resin is represented by the following formula: | 08-01-2013 |
| 20150376346 | Production Method For Manufacturing High-Purity Organosilicon Compound - The present invention relates to a production method for a liquid high-purity organosilicon compound, the method comprising the steps of: | 12-31-2015 |
| 556469000 |
Interchange of radicals between silicon atoms (e.g., redistribution, disproportionation, transesterification, etc.) | 4 |
| 20080319214 | Process For Preparing Si-H-Containing Silanes - Silanes of the general formula (1) | 12-25-2008 |
| 20110196165 | METHOD FOR PREPARING ALKYL CHLOROSILANES THROUGH REARRANGEMENT REACTIONS - The object of the invention is a method for preparing silanes of the general formula (1) R | 08-11-2011 |
| 20120226064 | METHOD FOR PRODUCING MONOSILANE AND TETRAALKOXYSILANE - The present invention relates to a method for producing monosilane and tetraalkoxysilane comprising subjecting alkoxysilane represented by formula (1) | 09-06-2012 |
| 20150361115 | METHOD FOR PRODUCING ALKYL CHLOROSILANES BY WAY OF REARRANGEMENT REACTIONS - Alkyl chlorosilanes from the manufacture of dialkyldichlorosilanes are rearranged in continuous fashion to dialkyldichlorosilane by a rearrangement reaction in a moving bed reactor employing a solid alumina catalyst containing aluminum chloride, spent catalyst being continuously removed from the reactor. | 12-17-2015 |
| 556475000 |
Dehydrohalogenation to produce carbon to carbon unsaturation | 2 |
| 20130060059 | SYNTHESIS OF SILYL ACETYLENES - The present disclosure provides a method of preparing silylethynyl compounds in which two of the hydrocarbyl groups bonded to the silicon exclusive of the ethynyl group, are the same and one is different, that may be used in preparing novel silylethynyl functionalized acene semiconductor chromophores. | 03-07-2013 |
| 20130150606 | SYNTHESIS OF SILYL ACETYLENES - The present disclosure provides a method of preparing silylethynyl compounds in which two of the hydrocarbyl groups bonded to the silicon exclusive of the ethynyl group, are the same and one is different, that may be used in preparing novel silylethynyl functionalized acene semiconductor chromophores. | 06-13-2013 |
| 556474000 |
Silicon to hydrogen bond formed | 1 |
| 20150080596 | Method Of Reducing A Halosilane Compound In A Micoreactor - A method of producing a hydrosilane compound in a microreactor comprises reducing a halosilane compound in the microreactor and in the presence of a reducing agent to produce the hydrosilane compound. | 03-19-2015 |
| Entries |
| Document | Title | Date |
|---|
| 20080200710 | PREPARATION OF DIMETHYLCHLOROSILANE - Dimethylchlorosilane is prepared by reacting 1,2-tetramethyldichlorodisilane with hydrogen chloride in the presence of a catalyst mixture of a) palladium, b) a tertiary amine, and c) a tertiary phosphine having at least one phenyl group having at least one functional group other than hydrogen. The catalyst does not lose its activity upon contact with hydrogen chloride at low temperatures and ensures production of dimethylchlorosilane in high yields. | 08-21-2008 |
| 20080281117 | POLYCYCLIC HYDROCARBON GROUP-CONTAINING ORGANOSILICON COMPOUND HAVING HYDROGEN ATOMS BONDED TO SILICON ATOMS, AND METHOD OF PRODUCING SAME - Provided is a polycyclic hydrocarbon group-containing organosilicon compound, which includes two hydrogen atoms bonded to silicon atoms within each molecule, and is an addition reaction product of (a) an organosilicon compound having two hydrogen atoms bonded to silicon atoms within each molecule, and (b) a polycyclic hydrocarbon compound having two hydrosilylation reactive carbon-carbon double bonds within each molecule. The polycyclic hydrocarbon group-containing organosilicon compound is produced by conducting an addition reaction between the above component (a) and the above component (b) in the presence of a hydrosilylation reaction catalyst. The polycyclic hydrocarbon group-containing organosilicon compound yields a cured product that has a high degree of hardness and excellent transparency, crack resistance and heat resistance, and is useful as a raw material for curable silicone materials, encapsulating materials for optical devices such as optical elements, encapsulating materials for other electronic devices such as semiconductor elements, and electrically insulating coating materials. | 11-13-2008 |
| 20090082585 | PROCESSES FOR THE PRODUCTION OF TRI-ORGANO-MONOALKOXYSILANES AND PROCESS FOR THE PRODUCTION OF TRI-ORGANO-MONOCHLOROSILANES - A silane containing a bulky hydrocarbon group or groups R therein and having the formula (III) | 03-26-2009 |
| 20090287009 | METHOD FOR EVAPORATING COMPONENTS OF A LIQUID - Mixtures containing high boiling and low boiling components, at least one component being dissociatable into ions, are separated effectively by heating by passing an alternating electrical current through the mixture. The process is particularly effective in the workup of crude alkylchlorosilanes from the direct synthesis. | 11-19-2009 |
| 20100016621 | Hydrosilylation - The present invention relates to a process for converting a substrate to a product comprising exposing the substrate to a hydrosilane in the presence of a carbene catalyst. | 01-21-2010 |
| 20100022793 | IRIDIUM-CATALYZED PRODUCTION METHOD FOR ORGANOSILICON COMPOUNDS - Alkyl silanes are prepared by silylating an unsaturated hydrocarbon with an Si—H functional silane employing an iridium chloride coordination compound as a catalyst and a polymeric polyene as a cocatalyst. Reaction bottoms can be worked up to provide an iridium-containing composition which remains catalytically active. | 01-28-2010 |
| 20100036147 | INTEGRATED COLLECTION, ANALYSIS, AND RECYCLING METHOD - A recycling method that can be used by an OEM products company or other entity to obtain recovered raw materials for use in its manufacturing operations in a manner that helps ensure the quality and traceability of the recovered raw materials. The process involves first collecting the material from one or more sources, then determining suitability of the material for processing using a series of qualifying tests separated into a two-phase review, wherein each of the qualifying tests is carried out using a composition profile for the material. The first phase of the review utilizes a source composition profile that describes salient features of the material so that it can be reviewed for suitability for processing and end uses as well as for regulatory compliance. The second phase involves similar reviews based on an analytical composition profile that is determined by physical analysis of the material. | 02-11-2010 |
| 20100185005 | PREPARATION OF ORGANOMONOALKOXY (OR MONOHYDROXY) SILANES FROM ALKOXYSILANES/ORGANOMETALLIC COMPOUNDS - Organomonoalkoxy/monohydroxy silanes, particularly halogenated or aklenylated organomonoalkoxy (or monohydroxy) silanes, which are useful intermediates in organic syntheses, are prepared by reacting an alkoxysilane with an organometallic compound suited for substituting at least certain of the alkoxy functions of the alkoxysilane with a monovalent hydrocarbon radical other than alkoxy and co-preparing a metallic alkoxylate by-product capable of denaturing the substituted silanes thus obtained, including contacting the metallic alkoxylate with at least one agent (A) reactive with the alkoxy functions of the alkoxylate to generate one or more species inert relative to the alkoxysilane, such agent (A) being selected from among the electrophile and/or mineral acid groups. | 07-22-2010 |
| 20100234630 | ALPHA-SUBSTITUTED A,B-UNSATURATED E- OR Z-ALDEHYDES, USE THEREOF, AND PROCESSES FOR THEIR PREPARATION A,B - This invention relates to novel alpha-substituted α,β-unsaturated E- or Z-aldehydes, or isomer mixture thereof, of the formula (I) in which R | 09-16-2010 |
| 20100249445 | POST-SPIN-ON SILYLATION METHOD FOR HYDROPHOBIC AND HYDROFLUORIC ACID-RESISTANT POROUS SILICA FILMS - A method of silylating porous silica films comprises: preparing a porous silica film; and grafting the film with a hydrophobic functional group while annealing the film. The porous silica film is a sol-gel silica film, a mesoporous silica film, in situ crystallized polycrystalline pure-silica zeolite (PSZ), spin-on PSZ, and spin-on PSZ MEL (or PSZ MEL-structural type) films. The hydrophobic functional group is trimethylchlorosilane (TMCS); dimethyldichlorosilane; methyltrichlorosilane; alkylchlorosilanes, such as (CH | 09-30-2010 |
| 20100324324 | Compounds and Methods of Arylmethylation (Benzylation) As Protection For Alcohol Groups During Chemical Synthesis - A process for benzylating an alcohol includes mixing 2-benzyloxy-1-methylpyridinium triflate in an aromatic hydrocarbon solvent having a predetermined boiling point; adding an acid scavenger to the mixture; combining the alcohol to be benzylated with the mixture; reacting the alcohol with the 2-benzyloxy-1-methylpyridinium triflate by heating above ambient temperature to generate the benzylated alcohol; and separating the benzylated alcohol from the mixture. | 12-23-2010 |
| 20110015421 | FUNCTIONAL SUBSTANCE-RELEASING AGENT - The present invention relates to a functional substance-releasing agent containing a silicic acid ester compound represented by formula (1) below, a process for producing the functional substance-releasing agent, and a composition containing the functional substance-releasing agent. | 01-20-2011 |
| 20110021801 | PRECIPITATED SILICAS AS A REINFORCING FILLER FOR ELASTOMER MIXTURES - The present invention relates to precipitated silicic acids, which have a particularly narrow particle size distribution in combination with a special pore size distribution, to a method for the production thereof, and to the use thereof as a filler for rubber mixtures. | 01-27-2011 |
| 20110184205 | REMOVAL OF EXTRANEOUS METALS FROM SILICON COMPOUNDS BY ADSORPTION AND/OR FILTRATION - The invention relates to a process for treating a composition containing silicon compounds, especially organosilanes and/or inorganic silanes, and at least one extraneous metal and/or a compound containing extraneous metal, wherein the composition is contacted with at least one adsorbent and/or a first filter and then a composition in which the content of the extraneous metal and/or of the compound containing extraneous metal has been reduced is obtained. The invention further relates to the use of organic resins, activated carbon, silicates and/or zeolites and/or else of at least one filter with small pore sizes to reduce the level of the compounds mentioned. | 07-28-2011 |
| 20120046487 | SEPARATION OF ORGANOSILICON COMPOUNDS FROM WASTEWATER - The invention relates to a method for separating organosilicon compounds from organosilicon wastewater. In the first step, the wastewater is heated to at least 10° C. In the second step, the wastewater is stored for at least 30 minutes at at least 10° C. In the third step, the wastewater is conducted through a phase separation element, in which droplets that are formed and contain organosilicon compounds are separated. | 02-23-2012 |
| 20130225848 | Process for Removing an Impurity From a Siloxane - A process for removing an impurity from a siloxane comprising i) flowing a first liquid through a fiber bundle comprising a plurality of fibers extending lengthwise in a conduit, wherein the bundle has an upstream end and a downstream end, and the first liquid flows in a direction from the upstream end of the bundle to the downstream end; and ii) while continuing (i), flowing a second liquid comprising a siloxane and an impurity through the fiber bundle in a direction from the upstream end of the bundle to the downstream end of the bundle to effect transfer of at least a portion of the impurity from the second liquid to the first liquid, wherein the first liquid and the second liquid are substantially immiscible. | 08-29-2013 |
| 20140024849 | DECHLORINATION OF ALKYL-FUNCTIONAL ORGANOSILANES AND ALKYL-FUNCTIONAL ORGANOSILOXANES - The invention relates to a process for dechlorinating alkylsilanes and siloxanes, and also to the use of basic anion exchanger resins for dechlorinating alkyl silanes and alkylsiloxanes. | 01-23-2014 |
| 20150141688 | Purification Of Chlorosilanes Using Chromatography - The present invention relates to a method for separating organohalosilanes. The method includes introducing a mixture including at least a first organohalosilane and a second organohalosilane onto a chromatographic bed including a stationary phase. The method also includes passing a liquid mobile phase through the chromatographic bed to produce an eluate including at least one fraction enriched in the first organohalosilane and at least one fraction enriched in the second organohalosilane. | 05-21-2015 |
| 20160002271 | PRODUCTION METHOD FOR ALKOXYSILANES - Provided is a method for efficiently producing alkoxysilanes that are useful as various functional chemicals. In order to produce alkoxysilanes efficiently, an ethoxy- or methoxysilane and an alcohol are caused to react using, as a catalyst, for instance an inorganic solid acid having a regular-pore and/or layered structure. Zeolites, montmorillonites or the like can be used as the inorganic solid acid. When a zeolite is used as the catalyst, the silica/alumina ratio of the zeolite ranges preferably from 5 to 1000. The reaction can be promoted through irradiation of microwaves. | 01-07-2016 |
